evolution natural selection

12345678910111213141516
Across
  1. 3. The layer of our atmosphere where ozone is trapped
  2. 6. Blueprints for life
  3. 8. States that "the most fit" will suvive in their environment
  4. 9. Charles _____ was the first person to theorize evolution
  5. 11. Ability to reproduce and survive
  6. 12. A unborn offspring of a species
  7. 13. A square we can use to determine chances of traits to show in offspring
  8. 15. Organs that we don't use anymore
  9. 16. A cell that lacks a nucleus. Considered the first cells on earth
Down
  1. 1. A fossil that is inbetween two fossil layers
  2. 2. Self-reproduction
  3. 4. The study of embryo
  4. 5. A change in a species to help it survive in its environment
  5. 7. Organisms better adapted to their environment will more likely survive
  6. 10. How an animal makes offspring
  7. 12. Cells that have a nucleus.
  8. 14. A change in a species over time